Microsoft Office 2008 for Mac Home & Student Edition.

System Requirements

A Mac computer with an Intel, PowerPC G5, or PowerPC G4 (500 MHz or faster) processor
Mac OS X version 10.4.9 or later
512 MB of RAM or more
1.5 GB of available hard disk space
HFS+ hard disk format (also known as Mac OS Extended or HFS Plus)
DVD drive or connection to a local area network (if installing over a network)
1024 x 768 or higher resolution-monitor
Entourage and certain features require Internet access (fees may apply)
For Office 2008 for Mac and Office 2008 for Mac Special Media Editions: Connectivity to Microsoft Exchange Server 2000 or later is required for certain advanced functionality in Entourage 2008